CVE-2026-74286

In the Linux kernel, the following vulnerability has been resolved: net: pfcp: allocate per-cpu tstats for PFCP netdevs PFCP uses devgettstats64 as its ndogetstats64 callback, but pfcplinksetup does not request NETDEVPCPUSTATTSTATS. The net core therefore leaves dev-tstats NULL for PFCP devices...

UBUNTU-CVE-2026-74420

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: Reject VMAs with VMIO or VMPFNMAP when creating SVM ranges VMAs marked with VMIO or VMPFNMAP are not backed by struct page objects, which GPUSVM requires in order to operate correctly. In particular, getpages relies o...

UBUNTU-CVE-2026-74397

In the Linux kernel, the following vulnerability has been resolved: IB/mlx5: Fix transport-domain rollback and initialize lb mutex earlier mlx5iballoctransportdomain allocates a transport domain and then may fail in mlx5ibenablelb. In that case, the allocated TD is leaked. Fix this by deallocatin...

UBUNTU-CVE-2026-72489

In the Linux kernel, the following vulnerability has been resolved: staging: nvec: fix use-after-free in nvecrxcompleted In nvecrxcompleted, when an incomplete RX transfer is detected, nvecmsgfree is called to return the message back to the pool by clearing its 'used' atomic flag. Immediately aft...

UBUNTU-CVE-2026-74313

In the Linux kernel, the following vulnerability has been resolved: vduse: hold vduselock across IDR lookup in open path vdusedevopen looks up struct vdusedev through the IDR and then acquires dev-lock only after vduselock has been dropped. This leaves a window where a concurrent VDUSEDESTROYDEV...

UBUNTU-CVE-2026-72381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of fp-owner.name in durable handle owner check Two concurrent SMB2 durable reconnects DH2C/DHnC on the same persistentid race the fp-owner.name compare-read in ksmbdvfscomparedurableowner against the kfr...

UBUNTU-CVE-2026-74264

In the Linux kernel, the following vulnerability has been resolved: net: watchdog: fix refcount tracking races Blamed commit converted the untracked devhold/devput calls in the watchdog code to use the tracked devholdtrack/devputtrack which were later renamed/interfaced to netdevhold and netdevpu...

UBUNTU-CVE-2026-72424

In the Linux kernel, the following vulnerability has been resolved: rtc: msc313: fix NULL deref in shared IRQ handler at probe msc313rtcprobe calls devmrequestirq with IRQFSHARED and &pdev-dev as the cookie, but platformsetdrvdata is only called later after the clock setup. With a shared IRQ line...

UBUNTU-CVE-2026-74315

In the Linux kernel, the following vulnerability has been resolved: lockd: Avoid hashing uninitialized bytes in nlm4svclookupfile filehash digests the first LOCKDFHHASHSIZE bytes of nfsfh.data when bucketing nlmfiles, independent of fh.size. Commit 3de744ee4e45 "lockd: Use xdrgen XDR functions fo...

UBUNTU-CVE-2026-72323

In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: Fix potential UAF in igmpgqstarttimer A race condition exists between device teardown inetdevdestroy and incoming IGMP query processing igmprcv, leading to a Use-After-Free in the IGMP timer callback. During device...

UBUNTU-CVE-2026-72380

In the Linux kernel, the following vulnerability has been resolved: xen/pvcalls: bound backend response reqid before indexing rsp pvcallsfronteventhandler takes reqid directly from the backend-supplied ring response and uses it to index the fixed-size bedata-rsp array for a memcpy and a store, wi...

UBUNTU-CVE-2026-74291

In the Linux kernel, the following vulnerability has been resolved: ASoC: topology: Check PCM and DAI name strings before use Topology objects store several PCM and DAI names in fixed-size UAPI arrays. Other topology parser paths validate these fields with bounded strnlen checks before using them...

UBUNTU-CVE-2026-74415

In the Linux kernel, the following vulnerability has been resolved: spi: atcspi200: fix use-after-free when driver unbind DMA resource is initialized after SPI controller registration. So when driver unbind, this can trigger a use-after-free when DMA is torn down while the controller is still ali...

UBUNTU-CVE-2026-72302

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc3-control: Use overflow checks in controlupdate size calc In sofipc3controlupdate, the expectedsize calculation uses firmware-provided cdata-numelems in arithmetic that could overflow on 32-bit platforms, wrapping t...

UBUNTU-CVE-2026-74286

In the Linux kernel, the following vulnerability has been resolved: net: pfcp: allocate per-cpu tstats for PFCP netdevs PFCP uses devgettstats64 as its ndogetstats64 callback, but pfcplinksetup does not request NETDEVPCPUSTATTSTATS. The net core therefore leaves dev-tstats NULL for PFCP devices...

UBUNTU-CVE-2026-74405

In the Linux kernel, the following vulnerability has been resolved: OPP: Fix race between OPP addition and lookup A race exists between devpmoppadddynamic and devpmoppfindfreqexact: CPU0 add CPU1 lookup ------------------------------- ------------------------------ oppadd mutexlock...

UBUNTU-CVE-2026-72404

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling synchronizenet to wait for concurrent RCU readers transmitters to finish:...

UBUNTU-CVE-2026-72299

In the Linux kernel, the following vulnerability has been resolved: tipc: restrict socket queue dumps in enqueue tracepoints tipcskenqueue runs with sk-sklock.slock held while the socket is owned by user context. The spinlock protects the backlog queue in this path, but it does not serialize...

UBUNTU-CVE-2026-72423

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard conntrack opts error writes The conntrack lookup and allocation kfuncs take an opts pointer together with an optssz argument. The verifier checks only the memory range described by optssz, but the wrappers...

UBUNTU-CVE-2026-74351

In the Linux kernel, the following vulnerability has been resolved: ocfs2: rebase copied fsdlm LVB pointers in lockingstate The lockingstate debugfs iterator snapshots struct ocfs2lockres by value under ocfs2dlmtrackinglock and later formats that copy in ocfs2dlmseqshow. That is fine for the inli...